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mesa/st: start adding memory object support

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v2: pass dedicated flag

v3 (Timothy Arceri):
 - remove unrequired _mesa_init_memory_object_functions()
   call in the state tracker.

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v2)
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Dave Airlie 2017-07-12 18:45:10 -04:00 • committed by Timothy Arceri
parent 714dfaae72
commit 49f4ecc677
4 changed files with 93 additions and 0 deletions
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2
src/mesa/Makefile.sources
View file

@ -466,6 +466,8 @@ STATETRACKER_FILES = \
state_tracker/st_cb_feedback.h \
state_tracker/st_cb_flush.c \
state_tracker/st_cb_flush.h \
state_tracker/st_cb_memoryobjects.c \
state_tracker/st_cb_memoryobjects.h \
state_tracker/st_cb_msaa.c \
state_tracker/st_cb_msaa.h \
state_tracker/st_cb_perfmon.c \

64
src/mesa/state_tracker/st_cb_memoryobjects.c Normal file
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@ -0,0 +1,64 @@
#include "main/imports.h"
#include "main/mtypes.h"
#include "main/externalobjects.h"
#include "st_context.h"
#include "st_cb_memoryobjects.h"
#include "state_tracker/drm_driver.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
static struct gl_memory_object *
st_memoryobj_alloc(struct gl_context *ctx, GLuint name)
{
struct st_memory_object *st_obj = ST_CALLOC_STRUCT(st_memory_object);
if (!st_obj)
return NULL;
_mesa_initialize_memory_object(ctx, &st_obj->Base, name);
return &st_obj->Base;
}
static void
st_memoryobj_free(struct gl_context *ctx,
struct gl_memory_object *obj)
{
_mesa_delete_memory_object(ctx, obj);
}
static void
st_import_memoryobj_fd(struct gl_context *ctx,
struct gl_memory_object *obj,
GLuint64 size,
int fd)
{
struct st_memory_object *st_obj = st_memory_object(obj);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct winsys_handle whandle;
whandle.type = DRM_API_HANDLE_TYPE_FD;
whandle.handle = fd;
whandle.offset = 0;
whandle.layer = 0;
whandle.stride = 0;
st_obj->memory = screen->memobj_create_from_handle(screen,
&whandle,
obj->Dedicated);
/* We own fd, but we no longer need it. So get rid of it */
close(fd);
}
void
st_init_memoryobject_functions(struct dd_function_table *functions)
{
functions->NewMemoryObject = st_memoryobj_alloc;
functions->DeleteMemoryObject = st_memoryobj_free;
functions->ImportMemoryObjectFd = st_import_memoryobj_fd;
}

25
src/mesa/state_tracker/st_cb_memoryobjects.h Normal file
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@ -0,0 +1,25 @@
#ifndef ST_CB_MEMORYOBJECTS_H
#define ST_CB_MEMORYOBJECTS_H
#include "main/compiler.h"
#include "main/mtypes.h"
struct dd_function_table;
struct pipe_screen;
struct st_memory_object
{
struct gl_memory_object Base;
struct pipe_memory_object *memory;
};
static inline struct st_memory_object *
st_memory_object(struct gl_memory_object *obj)
{
return (struct st_memory_object *)obj;
}
extern void
st_init_memoryobject_functions(struct dd_function_table *functions);
#endif

2
src/mesa/state_tracker/st_context.c
View file

@ -54,6 +54,7 @@
#include "st_cb_eglimage.h"
#include "st_cb_fbo.h"
#include "st_cb_feedback.h"
#include "st_cb_memoryobjects.h"
#include "st_cb_msaa.h"
#include "st_cb_perfmon.h"
#include "st_cb_program.h"
@ -684,6 +685,7 @@ void st_init_driver_functions(struct pipe_screen *screen,
st_init_fbo_functions(functions);
st_init_feedback_functions(functions);
st_init_memoryobject_functions(functions);
st_init_msaa_functions(functions);
st_init_perfmon_functions(functions);
st_init_program_functions(functions);